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RE: 34-year-old male presents to the office with the complaint of lower back pain...
The correct answer is: A
inferior transverse axis
The biomechanics of the iliosacral complex can be quite complicated. Osteopathic texts describe five primary axes around which the iliosacral complex may move. These five axes are: the superior transverse axis, the middle transverse axis, the inferior transverse axis, and the right and left oblique axes. Innominate rotation occurs around the inferior transverse axis during the walking cycle, and this is also the axis around which innominates may become dysfunctional.